This program or episode has expired and is no longer available to watch. Mavis! A documentary on gospel/soul music legend and civil rights icon Mavis Staples. At 75 she's making the most vital music of her career, and her message of love and equality is needed now more than ever. Expired Genre: Arts, Biography, Music and Dance Anthology: Storyville Preview Air Dates Extras Mavis! Preview Mavis! Preview Watch a preview of Mavis!.